1Nannini R, Chelo E, Branconi F, et al. Dynamic echohysteroscopy: A new diag- nostic technique in the study of female infertility. Acta Eur Fertil, 1981,12(2) : 165-171.
4Bernard JP, Rizk E, Camatte S, et al. Saline contrast sonohysterography in the preoperative assessment of benign intrauterine disorders[J]. Ultrasound Obstet Gynecol,2001,17(2): 145 -149.
5Dueholm M, Forman A, Jensen ML, et al . Transvaginal sonography combinedwith saline contrast sonohysterography in evaluating the uterine cavity in premenopausal patients with abnormal uterine bleeding[J]. Ultrasound Obstet Gynecol,2001,18( 1 ):54 -61.
6Kamel HS,Darwish AM,Mohamed SA. Comparison of transvaginal ultrasonography and vaginar sonohysterography in the detection of endometrial polyps[J]. Acta Obstet Gypecol Scand,2000,79( 1 ) : 60 -64.